If it is written down, it's called "libel" whereas if it's spoken, it's called "slander." Defamation law attempts to balance the freedom of speech and open exchange of ideas without giving someone permission to run around spreading lies about another that may harm his or her reputation, ability to earn a living, etc.
The steamboat not only moved people, but also goods. With the high demand in goods and fuel for these boats; along came thousands of jobs in the coal mines and in the factories. The steamboat also led to thousands of new settlement across America's rivers, including the huge boom of Indiana's Ohio River Cities.
Jose de San Martin, Simon Bolivar and Toussiant L'Ouverture were all leaders in South America for independence from European colonizers. So leave it to be Nopoleon was NOT a leader in South America.
